DE69216511T2 - Pressure compensation valve for a hydraulic system - Google Patents

Pressure compensation valve for a hydraulic system

Info

Publication number
DE69216511T2
DE69216511T2 DE69216511T DE69216511T DE69216511T2 DE 69216511 T2 DE69216511 T2 DE 69216511T2 DE 69216511 T DE69216511 T DE 69216511T DE 69216511 T DE69216511 T DE 69216511T DE 69216511 T2 DE69216511 T2 DE 69216511T2
Authority
DE
Germany
Prior art keywords
hydraulic system
pressure compensation
compensation valve
valve
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69216511T
Other languages
German (de)
Other versions
DE69216511D1 (en
Inventor
J Roger Weber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Application granted granted Critical
Publication of DE69216511D1 publication Critical patent/DE69216511D1/en
Publication of DE69216511T2 publication Critical patent/DE69216511T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
    • F16K31/007—Piezo-electric stacks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F15B7/10—Compensation of the liquid content in a system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86622—Motor-operated

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
DE69216511T 1991-08-22 1992-08-21 Pressure compensation valve for a hydraulic system Expired - Fee Related DE69216511T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/748,995 US5165653A (en) 1991-08-22 1991-08-22 Pressure equalization valve for a hydraulic system

Publications (2)

Publication Number Publication Date
DE69216511D1 DE69216511D1 (en) 1997-02-20
DE69216511T2 true DE69216511T2 (en) 1997-04-24

Family

ID=25011782

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69216511T Expired - Fee Related DE69216511T2 (en) 1991-08-22 1992-08-21 Pressure compensation valve for a hydraulic system

Country Status (4)

Country Link
US (1) US5165653A (en)
EP (1) EP0530621B1 (en)
JP (1) JPH05223180A (en)
DE (1) DE69216511T2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271229A (en) * 1992-06-01 1993-12-21 Caterpillar Inc. Method and apparatus to improve a turbocharged engine transient response
US5417142A (en) * 1992-12-18 1995-05-23 Caterpillar Inc. Hydraulic amplifier
DE19921242C1 (en) * 1999-05-07 2000-10-26 Siemens Ag Method of positioning control drive in common rail fuel injector for motor vehicle internal combustion engine
GB2369874A (en) * 2000-10-04 2002-06-12 Visteon Global Tech Inc Actuator assembly
US7506825B2 (en) * 2006-05-31 2009-03-24 Caterpillar Inc. Fuel injector control system
EP2843188A1 (en) * 2013-09-03 2015-03-04 Welltec A/S A downhole communication module

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2044399C3 (en) * 1970-09-08 1974-07-18 Trockeneis-Vertrieb Gmbh & Co, 6700 Ludwigshafen Device for the automatic compensation of volume losses of a gaseous or liquid compensation medium
US3648967A (en) * 1970-11-10 1972-03-14 Physics Int Co Temperature compensated hydraulic valve
GB1400397A (en) * 1971-09-17 1975-07-16 Lucas Electrical Co Ltd Fuel injection system for an internal combustion engine
US3981148A (en) * 1974-04-29 1976-09-21 Caterpillar Tractor Co. Combined fluid motor and pumping apparatus
DK162277A (en) * 1976-04-16 1977-10-17 Ishikawajima Harima Heavy Ind DEVICE FOR CONTROLLING THE VALVE FUNCTIONS OF AN COMBUSTION ENGINE
US4085920A (en) * 1976-11-15 1978-04-25 Caterpillar Tractor Co. Pilot control valve with servo means
DE3247702A1 (en) * 1982-12-23 1984-06-28 Alfred Teves Gmbh, 6000 Frankfurt Master cylinder
FR2567238B1 (en) * 1984-07-06 1986-12-26 Sibe SOLENOID VALVE WITH PIEZOELECTRIC EFFECT
US4762300A (en) * 1985-02-19 1988-08-09 Nippondenso Co., Ltd. Control valve for controlling fluid passage
JPH07117012B2 (en) * 1986-09-05 1995-12-18 トヨタ自動車株式会社 Unit Injector
DE3714337C2 (en) * 1987-04-29 1997-03-20 Rexroth Mannesmann Gmbh Servo valve with piezo control and piezoelectric control motor

Also Published As

Publication number Publication date
US5165653A (en) 1992-11-24
EP0530621B1 (en) 1997-01-08
EP0530621A1 (en) 1993-03-10
JPH05223180A (en) 1993-08-31
DE69216511D1 (en) 1997-02-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee